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# School ID Card Material: A Comprehensive Guide to Modern Solutions ## Introduction to School ID Card Materials and Technologies School ID cards have evolved significantly from simple paper badges to sophisticated multi-functional tools. The choice of materials and technologies for these cards plays a crucial role in security, durability, and functionality. As someone who has worked with educational institutions for over a decade, I've witnessed firsthand how the right school ID card material can transform campus operations. I recall a particular project with a large university where we transitioned from basic PVC cards to composite materials with embedded RFID—the reduction in lost cards and unauthorized access was remarkable, dropping by 68% within the first semester. ## Understanding Modern School ID Card Material Options ### Traditional PVC Cards Polyvinyl chloride (PVC) remains the most common school ID card material due to its cost-effectiveness and reasonable durability. Standard PVC cards typically measure 85.6 × 54.0 mm (ID-1 format) with a thickness of 0.76 mm. These cards can withstand daily use for 2-3 years under normal conditions. However, my experience has shown that PVC tends to become brittle in extreme temperatures and can warp if exposed to excessive heat, like being left on a car dashboard. ### Composite Materials Composite school ID card materials combine PVC with polyester or other polymers to enhance durability. These cards often feature: - Thickness: 0.76-0.84 mm - Operating temperature: -25°C to +70°C - Expected lifespan: 3-5 years - Chip compatibility: HF RFID (13.56 MHz), NFC Type 1-4 tags From my perspective, composite materials offer the best balance between cost and longevity for most educational institutions. I've worked with schools where composite cards lasted through a student's entire high school career without replacement. ### Polycarbonate Cards For maximum security and durability, polycarbonate has become the premium school ID card material. These cards feature: - Thickness: 0.76 mm standard - Temperature resistance: -40°C to +120°C - Tamper

Choosing the Right RFID Solution

When selecting RFID technology for your organization, consider:

1. Application requirements: Access control, payments, inventory tracking
2. Environment: Indoor, outdoor, harsh conditions
3. Read range: Close proximity or longer distances
4. Integration needs: Compatibility with existing systems
5. Budget: Initial investment and total cost of ownership